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If you have a TB skin test and it turns a little red and looks like a bug bite is this a positive or negative test?
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Dr. Cornelia Franz
Pediatrics
In brief: Depends
On the size of the swelling or induration.
This is why they need to be seen and read 48 hours after being placed.

In brief: Depends
On the size of the swelling or induration.
This is why they need to be seen and read 48 hours after being placed.
Dr. Cornelia Franz
Dr. Cornelia Franz
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Dr. Jonathan Jassey
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